CN210723961U - Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner - Google Patents
Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner Download PDFInfo
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- CN210723961U CN210723961U CN201921778185.3U CN201921778185U CN210723961U CN 210723961 U CN210723961 U CN 210723961U CN 201921778185 U CN201921778185 U CN 201921778185U CN 210723961 U CN210723961 U CN 210723961U
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Abstract
The utility model discloses an auxiliary device of 500kV heavy load straight line insulator chain is changed in electrified, aims at providing one kind and can improve work efficiency's auxiliary device. The device comprises a left bearing support, a left bearing winch, a right bearing winch, a left winch supporting shaft, a right winch supporting shaft, a left wrench, a right bearing support, a locking block adjusting bolt, a lifting ring, a base adjusting locking block and a middle reinforcing support; two ends of the left winch support shaft are respectively connected with the upper end of the left bearing support and the upper end of the middle reinforcing support through bearings; two ends of the right winch support shaft are respectively connected with the upper end of the right bearing support and the upper end of the middle reinforcing support through bearings; the hoisting ring is fixedly arranged at the upper end of the middle reinforcing bracket; the left wrench is fixedly arranged at the left end of the left winch supporting shaft, and the right wrench is fixedly arranged at the right end of the right winch supporting shaft; and the front side and the rear side of the lower end of the left force bearing support are provided with supporting seats matched with the cross arm supports of the tower.
Description
Technical Field
The utility model belongs to the technical field of the electric wire netting maintenance of equipment technique and specifically relates to an auxiliary device who changes 500kV heavy load straight line insulator chain with electricity.
Background
In the process of replacing the 500kV linear insulator string, the selection of the lifting point position and the fixing mode of the lifting point by an operator are very important. Since the dead weight of a single piece of the 500kV linear insulator string is larger, taking a string of 30 LDQ160 glass insulators as an example, the net weight is about 200 kilograms, if the friction coefficient is considered, and the iron tower operation surface left for operators is narrow, the insulator string is difficult to hoist, dismantle and install, and the physical consumption and the operation efficiency of the operators are seriously tested. According to statistics, if the hanging point position of an operator and the fixing mode of the hanging point are not properly selected, even when the experienced operator restores the connection between the insulator and the connecting hardware, because no special operating tool exists, the insulator string needs to be restored to the installation position, the installation restoration time is as long as about 2 hours, the labor intensity of the operator is greatly increased in such a long time invisibly, and operation failure is often caused because the tool does not meet the requirements when some special insulator strings are encountered. The connection of the insulator string cannot be recovered in time, and the safety of operating personnel, line equipment and a power grid is seriously threatened. Secondly, because the operation time is long, the work can not be finished according to the planned time, which may cause rework, and simultaneously, the personnel, the vehicle and the production cost are increased by times.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides a charged auxiliary device who changes 500kV heavy load straight line insulator chain. This auxiliary device can reduce operating time by a wide margin, reduces circuit maintainer's intensity of labour, reduces the manufacturing cost of enterprise, improves circuit maintainer's work efficiency by a wide margin, reduces operation personnel safety risk, promotes transmission line power supply reliability.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
an auxiliary device for replacing a 500kV heavy-load linear insulator string in a charged manner comprises a left bearing support, a left bearing winch, a right bearing winch, a left winch support shaft, a right winch support shaft, a left wrench, a right bearing support, a locking block adjusting bolt, a lifting ring, a base adjusting locking block and a middle reinforcing support; two ends of the left winch support shaft are respectively connected with the upper end of the left bearing support and the upper end of the middle reinforcing support through bearings; two ends of the right winch support shaft are respectively connected with the upper end of the right bearing support and the upper end of the middle reinforcing support through bearings; the hoisting ring is fixedly arranged at the upper end of the middle reinforcing bracket; the left wrench is fixedly arranged at the left end of the left winch supporting shaft, and the right wrench is fixedly arranged at the right end of the right winch supporting shaft; the front side and the rear side of the lower end of the left force bearing support and the front side and the rear side of the lower end of the right force bearing support are both provided with a supporting seat matched with the tower cross arm support; the base adjusting locking block is in a concave shape, and the supporting seat is clamped at the opening side; the locking block adjusting bolt penetrates through the base adjusting locking block, and a plurality of base adjusting holes for connecting the locking block adjusting bolt are formed in the supporting seat; a first pawl is fixedly arranged on the left force-bearing support and close to the left end of the left winch support shaft, and a first ratchet wheel matched with the first pawl is arranged on the left wrench; a second pawl is fixedly arranged on the right force-bearing support and close to the right end of the right winch support shaft, and a second ratchet wheel matched with the second pawl is arranged on the right wrench; the left bearing winch is fixedly sleeved on the left winch supporting shaft, and the right bearing winch is fixedly sleeved on the right winch supporting shaft; and the left bearing winch and the right bearing winch are respectively connected with a bearing lifting rope in a winding way, and the end parts of the bearing lifting ropes are respectively fixedly provided with a bearing lifting ring.
Preferably, the lower ends of the left force bearing support, the right force bearing support and the middle reinforcing support are provided with cross arm clamping grooves, auxiliary fixing blocks are arranged on the left force bearing support and the right force bearing support and on one side of the cross arm clamping grooves, and fixing butterfly bolts penetrate through the auxiliary fixing blocks.
Preferably, the lifting ring is connected with the middle reinforcing bracket through a threaded structure.
Preferably, the left wrench is connected to the left winch support shaft by a nut.
Preferably, the right wrench is connected to the right winch support shaft by a nut.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses can effectively solve 500kV straight line insulator chain and lift by crane, demolish and install the difficult problem of difficulty, make insulator chain be in horizontal position all the time at the in-process that lifts by crane, this auxiliary device selects the influence less to the hoisting point, can make that the operation personnel can be very convenient and light demolish insulator chain and link fitting and connect, can reduce the activity duration by a wide margin, reduce circuit maintainer's intensity of labour, reduce enterprise manufacturing cost, improve circuit maintainer's work efficiency by a wide margin, reduce operation personnel safety risk, improve the available coefficient of transmission line, promote transmission line power supply reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first usage state of the present invention.
Fig. 2 is a partially enlarged view of the second pawl and the second ratchet, and the structure of the first pawl and the first ratchet is the same as that of the second pawl and the second ratchet.
Fig. 3 is a schematic structural diagram of a second usage state of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
Fig. 1-2 shows an auxiliary device for replacing a 500kV heavy load linear insulator string in an electrified manner, which is mainly used when a tower cross arm tower material 30 is faced upward in the present embodiment, and the auxiliary device includes a left load-bearing support 1, a left load-bearing winch 2, a right load-bearing winch 3, a left winch support shaft 4, a right winch support shaft 5, a left wrench 6, a right wrench 7, a right load-bearing support 8, a lock block adjusting bolt 9, a lifting ring 10, a base adjusting lock block 11 and a middle reinforcing support 12; two ends of the left winch support shaft 4 are respectively connected with the upper end of the left force-bearing support 1 and the upper end of the middle reinforcing support 12 through bearings; two ends of the right winch support shaft 5 are respectively connected with the upper end of the right bearing support 8 and the upper end of the middle reinforcing support 12 through bearings; the hoisting ring 10 is fixedly arranged at the upper end of the middle reinforcing bracket 12; the left spanner 6 is fixedly arranged at the left end of the left winch supporting shaft 4, and the right spanner 7 is fixedly arranged at the right end of the right winch supporting shaft 5; the front side and the rear side of the lower end of the left force bearing support 1 and the front side and the rear side of the lower end of the right force bearing support 8 are both provided with a support seat 13 which is matched with the tower cross arm support; the base adjusting locking block 11 is in a concave shape, and the supporting seat 13 is clamped at the opening side; the locking block adjusting bolt 9 penetrates through the base adjusting locking block 11, and a plurality of base adjusting holes 14 for connecting the locking block adjusting bolt 9 are formed in the supporting seat 13; a first pawl (not shown in the figure) is fixedly arranged on the left force-bearing support 1 close to the left end of the left winch support shaft 4, and a first ratchet wheel (not shown in the figure) matched with the first pawl is arranged on the left wrench 6; a second pawl 15 is fixedly arranged on the right force-bearing support 8 and close to the right end of the right winch support shaft 5, and a second ratchet wheel 16 matched with the second pawl 15 is arranged on the right wrench 7; the left bearing winch 2 is fixedly sleeved on the left winch support shaft 4, and the right bearing winch 3 is fixedly sleeved on the right winch support shaft 5; bearing lifting ropes 17 are wound on the left bearing winch 2 and the right bearing winch 3, and bearing lifting rings 18 are fixedly arranged at the end parts of the bearing lifting ropes 17.
In this embodiment, the lifting ring 10 is connected to the middle reinforcing bracket 12 by a screw structure. The left wrench 6 is connected with the left winch support shaft 4 through a nut. The right wrench 7 is connected to the right winch support shaft 5 by a nut. The first ratchet wheel and the second ratchet wheel adopt reversing pawls and respectively form a bidirectional ratchet mechanism with the first pawl and the second mechanism, and the forward and reverse rotation of the left bearing winch and the right bearing winch can be controlled by shifting the direction of the first ratchet wheel and the direction of the second ratchet wheel, so that the insulator string 40 is lifted. The base adjusting holes are horizontally arranged in a straight line and can be adjusted left and right, so that the installation of different tower shapes is facilitated during operation. The left spanner and the right spanner are respectively positioned on two sides of the left bearing support 1 and the right bearing support 8 and connected with the winch supporting shaft, and independent retraction and release can be realized.
When the auxiliary device is used, the assembled auxiliary device is lifted to the position of a tower cross arm through a lifting ring and is moved to the position above a 500kV line linear string insulator hanging point, the lower ends of a left bearing support, a right bearing support and a middle reinforcing support are supported on a section bar of the tower cross arm, then the opening sides of all base adjusting locking blocks are simultaneously clamped into the section bar and a supporting seat of the tower cross arm, then locking block adjusting bolts are screwed, the auxiliary device is reliably fixed on the tower cross arm through the base adjusting locking blocks, a left spanner and a right spanner can be operated to achieve retraction of a bearing lifting rope, and after the bearing lifting ring of the bearing lifting rope reaches a preset position, the bearing lifting ring can be connected with a lifting lug of an insulator string 40.
As a further improvement of the above embodiment, in order to meet the requirement that the tower cross arm tower material 30 is used when one steel edge of the steel edge is vertically upward, the lower ends of the left carrier bracket 1, the right carrier bracket 8 and the middle reinforcing bracket 12 are provided with cross arm clamping grooves 19, an auxiliary fixing block 20 is arranged on one side of the cross arm clamping grooves 19 on the left carrier bracket 1 and the right carrier bracket 8, a butterfly bolt (not shown in the figure) is fixed on the auxiliary fixing block 20 in a penetrating manner, and the auxiliary fixing block 20 is provided with a threaded hole 21 for the butterfly bolt to penetrate therethrough. In a use state, as shown in fig. 3, the cross arm clamping grooves 19 of the left carrier bracket 1, the right carrier bracket 8 and the middle reinforcing bracket 12 are clamped into a tower cross arm tower material, and then butterfly bolts are screwed and fixed on the auxiliary fixing blocks to realize the connection and fixation of the auxiliary device and the tower cross arm. Through increasing cross arm draw-in groove and relevant component, applicable in different tower types and tower material, have certain commonality.
The working principle is as follows:
the utility model discloses become a whole after strengthening support 12 equipment by left load support 1, right load support 8, centre, through base regulation locking piece 11, locking piece adjusting bolt 9, adopt bolt-up's mode and iron tower cross arm to fix, form the main load part that lifts by crane auxiliary device. The left bearing support 11 and the right bearing support 87 are distributed on the left side and the right side of the hoisting auxiliary device and are vertically arranged on the cross arm of the iron tower.
The utility model discloses make insulator chain be in horizontal position all the time at the in-process that lifts by crane, can make the operation personnel can very make things convenient for and light demolish insulator chain and link fitting and connect, can reduce the activity duration by a wide margin, reduce circuit maintainer's intensity of labour, improve circuit maintainer's work efficiency by a wide margin, reduce operation personnel safety risk, improve transmission line available coefficient, promote transmission line reliability of power supply.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an auxiliary device of 500kV heavy load straight line insulator chain is changed in electrified, includes left load support, left load capstan winch, right load capstan winch, left part capstan winch back shaft, right part capstan winch back shaft, left part spanner, right load support, locking piece adjusting bolt, plays rings, base regulation locking piece and middle enhancement support, its characterized in that: two ends of the left winch support shaft are respectively connected with the upper end of the left bearing support and the upper end of the middle reinforcing support through bearings; two ends of the right winch support shaft are respectively connected with the upper end of the right bearing support and the upper end of the middle reinforcing support through bearings; the hoisting ring is fixedly arranged at the upper end of the middle reinforcing bracket; the left wrench is fixedly arranged at the left end of the left winch supporting shaft, and the right wrench is fixedly arranged at the right end of the right winch supporting shaft; the front side and the rear side of the lower end of the left force bearing support and the front side and the rear side of the lower end of the right force bearing support are both provided with a supporting seat matched with the tower cross arm support; the base adjusting locking block is in a concave shape, and the supporting seat is clamped at the opening side; the locking block adjusting bolt penetrates through the base adjusting locking block, and a plurality of base adjusting holes for connecting the locking block adjusting bolt are formed in the supporting seat; a first pawl is fixedly arranged on the left force-bearing support and close to the left end of the left winch support shaft, and a first ratchet wheel matched with the first pawl is arranged on the left wrench; a second pawl is fixedly arranged on the right force-bearing support and close to the right end of the right winch support shaft, and a second ratchet wheel matched with the second pawl is arranged on the right wrench; the left bearing winch is fixedly sleeved on the left winch supporting shaft, and the right bearing winch is fixedly sleeved on the right winch supporting shaft; and the left bearing winch and the right bearing winch are respectively connected with a bearing lifting rope in a winding way, and the end parts of the bearing lifting ropes are respectively fixedly provided with a bearing lifting ring.
2. The auxiliary device for the live replacement of the 500kV heavy-load linear insulator string according to claim 1, is characterized in that: the lower extreme of left force-bearing support, right force-bearing support and middle reinforcing support is provided with the cross arm draw-in groove, on left force-bearing support and the right force-bearing support, be located one side of cross arm draw-in groove and be provided with supplementary fixed block, supplementary fixed block wears to be equipped with fixed butterfly bolt.
3. The auxiliary device for the live replacement of the 500kV heavy-load linear insulator string according to claim 1 or 2, is characterized in that: the lifting ring is connected with the middle reinforcing bracket through a threaded structure.
4. The auxiliary device for the live replacement of the 500kV heavy-load linear insulator string according to claim 1 or 2, is characterized in that: the left spanner is connected with the left winch supporting shaft through a nut.
5. The auxiliary device for the live replacement of the 500kV heavy-load linear insulator string according to claim 1 or 2, is characterized in that: the right spanner is connected with the right winch supporting shaft through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778185.3U CN210723961U (en) | 2019-10-22 | 2019-10-22 | Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778185.3U CN210723961U (en) | 2019-10-22 | 2019-10-22 | Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner |
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| Publication Number | Publication Date |
|---|---|
| CN210723961U true CN210723961U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921778185.3U Active CN210723961U (en) | 2019-10-22 | 2019-10-22 | Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner |
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| CN (1) | CN210723961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867767A (en) * | 2019-10-22 | 2020-03-06 | 云南电网有限责任公司曲靖供电局 | Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner |
-
2019
- 2019-10-22 CN CN201921778185.3U patent/CN210723961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867767A (en) * | 2019-10-22 | 2020-03-06 | 云南电网有限责任公司曲靖供电局 | Auxiliary device for replacing 500kV heavy-load linear insulator string in electrified manner |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 655099 No.137, middle section of Cuifeng Road, Qujing City, Yunnan Province Patentee after: Qujing Power Supply Bureau, Yunnan Power Grid Go., Ltd. Address before: 655099 No. 504 Qilin West Road, Qilin District, Qujing City, Yunnan Province Patentee before: Qujing Power Supply Bureau, Yunnan Power Grid Go., Ltd. |